Q
When a series of wheel loads crosses a simply supported girder, the maximum bending moment under any given wheel load occurs when________________?
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A
A. The centre of gravity of the load system is midway between the centre of span and wheel load under consi-deration
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B
B. The centre of span is midway between the centre of gravity of the load system and the wheel load under consideration
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C
C. The wheel load under consideration is midway between the centre of span and the centre of gravity of the load system
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D
D. None of the above
Correct Answer:
B. B. The centre of span is midway between the centre of gravity of the load system and the wheel load under consideration
